diff --git a/diy1.py b/diy1.py
index 06f3234..956c1fe 100644
--- a/diy1.py
+++ b/diy1.py
@@ -4,10 +4,10 @@ students = ["悟空", "小贝", "八戒", "波奇"]
 students.pop(2)
 
 # 班上来了一个新同学，名叫"诺依"，请将"诺依"加入到班级名单里面
-students.insert(3,"诺依")
+students.insert(0,"诺依")
 
 # 班上准备开始辩论赛，分为红（red）、蓝(blue)组，
 # 请用切片将班级列表的前2名加入到红组，后2名加入到蓝组
 red =students [0:1]
-blue=students  [2:3]
-print(blue)
\ No newline at end of file
+blue=students  [-1:-2]
+print(students  [0:3])
\ No newline at end of file